Polyarylate resin

U polymer

P series resins composite grade

(1) L-1003PA

Characteristics

  1. Heat resistance, creep resistance, and excellent lubricant

Properties

Item
ASTM
Unit: SI
(conventional)
L-1003PA
Mechanical
Properties		 Density
D-792
-
1.23
Water absorption (1/8", 24hrs)
D-570
%
0.26
Light transmittance (Thickness: 3mm)
D-1003
%
-
Tensile strength
D-638
MPa {kg/cm2}
70
Elongation at break
D-638
%
60
Flexural strength
D-790
MPa {kg/cm2}
82 {840}
Flexural modulus
D-790
GPa {kg/cm2}
2.2
Compressive strength (Yield)
D-695
MPa {kg/cm2}
-
Izod impact strength
(1/8", with notch)
D-256
J/m
{kg-Ecm/cm}
280
Rockwell hardness
D-785
R
123
Thermal
properties
Deflection temperature under load
1.8MPa {18.6kg/cm2}		 D-648
°C
175
Coefficient of linear thermal expansion
D-696
10-5/K
{10-5cm/cm/°C}
6.2
Electrical
Properties		 Dielectric breakdown strength
D-149
MV/m {kv/mm}
31
Specific volume resistivity
D-257
Ωm {Ωcm}
2x1014
{2x1016}
Dielectric constant (106Hz)
D-150
PF/m
27
Dielectric dissipation factor(106Hz)
D-150
-
0.01
Ark resistance
D-495
s
127
Tracking resistance
IEC
V
-
Other
properties		 Molding shrinkage
(Thickness: 3mm)
Flow direction, orthogonal direction
-
%
0.8

Technical Data

Properties of lubricant materials

Item
L-1003PA
POM
Deflection temperature under load
1.8MPa {18.6kg/cm2}
175
110
Limiting PV value
kPa • m/s {kg/cm2 • cm/s}
935
{954}
376
{383}
Coefficient of dynamic coefficient*
0.2~0.3
0.2~0.3
Relative abrasion*
{mm3/km • kg}
0.195
2.13
Dimensional stability
◎
Δ
Creep resistance
◎
Ο
Rigidity
Ο
Ο
Chemical resistance
Δ
◎

*Counterpart: S45C ◎: Excellent Ο: Good, Δ: inferior

(2) PT-3020

Characteristics

  1. Dimensional accuracy (planarity)
  2. Heat resistance
  3. Creep resistance and elasticity
  4. Rigidity

Properties

Item
ASTM
Unit: SI
(conventional)
PT-3020
Mechanical
Properties		 Density
D-792
-
1.36
Water absorption (1/8", 24hrs)
D-570
%
0.12
Light transmittance (Thickness: 3mm)
D-1003
%
-
Tensile strength
D-638
MPa {kg/cm2}
67
Elongation at break
D-638
%
6
Flexural strength
D-790
MPa {kg/cm2}
111
Flexural modulus
D-790
GPa {kg/cm2}
3.8
Compressive strength (Yield)
D-695
MPa {kg/cm2}
-
Izod impact strength
(1/8", with notch)
D-256
J/m
{kg-Ecm/cm}
60
Rockwell hardness
D-785
R
-
Thermal
properties
Deflection temperature under load
1.8MPa {18.6kg/cm2}		 D-648
°C
165
Coefficient of linear thermal expansion
D-696
10-5/K
{10-5cm/cm/°C}
3.5~4.0/3.8~4.3
Electrical
Properties		 Dielectric breakdown strength
D-149
MV/m {kv/mm}
-
Specific volume resistivity
D-257
Ωm {Ωcm}
-
Dielectric constant (106Hz)
D-150
PF/m
-
Dielectric dissipation factor(106Hz)
D-150
-
-
Ark resistance
D-495
s
-
Tracking resistance
IEC
V
-
Other
properties		 Molding shrinkage (Thickness: 3mm)
Flow direction, orthogonal direction
-
%
0.3~0.4/0.4~0.5

(3) C300VN

Characteristics

  1. Flame resistant, transparent (flame resistance: UL94 V-0, 0.8 mmt)
  2. High flow

Properties

Item
ASTM
Unit: SI
(conventional)
C300VN
Mechanical
Properties		 Density
D-792
-
1.29
Water absorption (1/8", 24hrs)
D-570
%
0.24
Light transmittance (Thickness: 3mm)
D-1003
%
-
Tensile strength
D-638
MPa {kg/cm2}
75
Elongation at break
D-638
%
40
Flexural strength
D-790
MPa {kg/cm2}
95
Flexural modulus
D-790
GPa {kg/cm2}
2.5
Compressive strength (Yield)
D-695
MPa {kg/cm2}
-
Izod impact strength
(1/8", with notch)
D-256
J/m
{kg-Ecm/cm}
65
Rockwell hardness
D-785
R
-
Thermal
properties
Deflection temperature under load
1.8MPa {18.6kg/cm2}		 D-648
°C
155
Coefficient of linear thermal expansion
D-696
10-5/K
{10-5cm/cm/°C}
6.5
Electrical
Properties		 Dielectric breakdown strength
D-149
MV/m {kv/mm}
30
Specific volume resistivity
D-257
Ωm {Ωcm}
2x1014
{2x1016}
Dielectric constant (106Hz)
D-150
PF/m
26
Dielectric dissipation factor(106Hz)
D-150
-
0.01
Ark resistance
D-495
s
125
Tracking resistance
IEC
V
175
Other
properties		 Molding shrinkage
(Thickness: 3mm)
Flow direction, orthogonal direction
-
%
0.8